Hottest (avg)
#2 / 12
Perth in January
January weather, climate averages, and packing tips.
Avg High
Avg Low
Rain
Daylight 14h
What to expect
January marks a typically very warm period of summer, where the weather is warming up. Daytime highs average 31°C / 87°F, dropping to 19°C / 66°F at night.
The atmosphere is generally sunny and dry, perfect for uninterrupted outdoor plans. The sun is very strong at this time of year, making sun protection essential during the day.
January in context
How it compares to the rest of the year in Perth.
Wettest (avg)
#3 / 12
Daylight Hours
#2 / 12
Windiest (avg)
#1 / 12
Highest UV
#1 / 12
Most Humid
#12 / 12
Temperature
- Daytime high
-
- Nighttime low
-
- Feels like (avg)
-
Sunshine
- Daylight
- 14.0 hours
- UV index (max)
- 10
- Typical sun hours
- 05:26 – 19:24
Rain & Snow
- Total
-
- Rainy days
- 3
- Cloud cover
- 22%
- Snowfall
-
Humidity & Wind
- Humidity (avg)
- 51%
- Wind (avg)
-
- Wind (max gusts)
-
Frequently asked questions
Is January a good time to visit Perth?
Typical January days in Perth reach highs of 31°C (88°F) with nights around 19°C (66°F). It usually feels hot by day and mild after dark. It is one of the drier months, which suits outdoor exploring and sightseeing.
What are temperatures like in January?
Daytime temperatures in January typically peak near 31°C (88°F), while nights drop to around 19°C (66°F). Expect hot afternoons and mild evenings.
How much does it rain in January?
Rainfall in January averages 15 mm (0.59 in) across roughly 3 days. Overall it is a mostly dry time of year, so showers are usually brief rather than all-day downpours.
How many hours of daylight are there in January?
You can expect about 14 hours of daylight in January. Sunrise is typically around 05:26 and sunset near 19:24. You get long days with comfortable amounts of daylight.
How strong is the sun in January?
UV levels frequently reach very high levels (around 10), so strong sun protection is essential, especially around midday.
Is it windy in January?
In January, average wind speeds are around 20 km/h (12 mph), with gusts on the windiest days reaching about 61 km/h (38 mph). On the ground, it is it is a notably windy place, and strong gusts are fairly common.